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frodo-wii/Src/Display_WIN32.h

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Make frodo CVS the current trunk
2009-01-13 19:46:42 +01:00
/*
* Display_WIN32.h - C64 graphics display, emulator window handling,
* WIN32 specific stuff
*
* Frodo (C) 1994-1997,2002-2009 Christian Bauer
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <shellapi.h>
#include <commctrl.h>
#include "C64.h"
#include "SAM.h"
#include "Version.h"
#include "VIC.h"
#include "resource.h"
#define NAME "Frodo"
#define TITLE (IsFrodoSC ? "FrodoSC" : "Frodo")
#ifdef DEBUG
class TimeScope
{
public:
TimeScope(const char *s)
{
tag = s;
QueryPerformanceCounter(&liStart);
}
~TimeScope()
{
QueryPerformanceCounter(&liFinish);
OutputTime();
}
private:
void
OutputTime()
{
LARGE_INTEGER liFreq;
QueryPerformanceFrequency(&liFreq);
Debug("%s: %.0f usec\n", tag,
double(liFinish.LowPart - liStart.LowPart)
/liFreq.LowPart*1000000);
}
const char *tag;
LARGE_INTEGER liStart, liFinish;
};
#define TIMESCOPE(var, tag) TimeScope var(tag)
#else
#define TIMESCOPE(var, tag)
#endif
/*
C64 keyboard matrix:
Bit 7 6 5 4 3 2 1 0
0 CUD F5 F3 F1 F7 CLR RET DEL
1 SHL E S Z 4 A W 3
2 X T F C 6 D R 5
3 V U H B 8 G Y 7
4 N O K M 0 J I 9
5 , @ : . - L P +
6 / ^ = SHR HOM ; * <EFBFBD>
7 R/S Q C= SPC 2 CTL <- 1
*/
#define MATRIX(a,b) (((a) << 3) | (b))
#define KEY_F9 256
#define KEY_F10 257
#define KEY_F11 258
#define KEY_F12 259
#define KEY_FIRE 260
#define KEY_JUP 261
#define KEY_JDN 262
#define KEY_JLF 263
#define KEY_JRT 264
#define KEY_JUPLF 265
#define KEY_JUPRT 266
#define KEY_JDNLF 267
#define KEY_JDNRT 268
#define KEY_CENTER 269
#define KEY_NUMLOCK 270
#define KEY_KPPLUS 271
#define KEY_KPMINUS 272
#define KEY_KPMULT 273
#define KEY_KPDIV 274
#define KEY_KPENTER 275
#define KEY_KPPERIOD 276
#define KEY_PAUSE 277
#define KEY_ALTENTER 278
#define KEY_CTRLENTER 279
#define VK_bracketleft 0xdb
#define VK_bracketright 0xdd
#define VK_comma 0xbc
#define VK_period 0xbe
#define VK_slash 0xbf
#define VK_semicolon 0xba
#define VK_grave 0xc0
#define VK_minus 0xbd
#define VK_equal 0xbb
#define VK_quote 0xde
#define VK_backslash 0xdc
static C64Display *TheDisplay;
static int keystate[256];
static UBYTE rev_matrix[8], key_matrix[8];
static int quit = 0;
static int numlock = 0;
static int joystate = 0xff;
static RECT rcScreen;
static RECT rcLast;
static RECT rcWindow;
static RECT rcWork;
static BOOL need_new_color_table = FALSE;
static int view_x, view_y;
static int led_rows = 16;
static HCURSOR invisible_cursor;
static HCURSOR arrow_cursor;
static HFONT led_font;
static HPEN led_highlight;
static HPEN led_shadow;
static HBRUSH led_brush;
static HBRUSH off_brush;
static HBRUSH error_off_brush;
static HBRUSH on_brush;
static HBRUSH error_on_brush;
// Not fully working yet.
#ifdef WORKBUFFER_BITMAP
static BOOL workbuffer_bitmap = FALSE;
static BOOL workbuffer_locked = FALSE;
static DDSURFACEDESC bitmap_ddsd;
#endif
C64Display::DisplayMode default_modes[] = {
{ 320, 200, 8 },
{ 320, 240, 8 },
{ 512, 384, 8 },
{ 640, 400, 8 },
{ 640, 480, 8 },
{ 320, 200, 16 },
{ 320, 240, 16 },
{ 512, 384, 16 },
{ 640, 400, 16 },
{ 640, 480, 16 },
};
static int num_default_modes =
sizeof(default_modes)/sizeof(C64Display::DisplayMode);
static C64Display::DisplayMode *display_modes = NULL;
static int num_display_modes = 0;
static int max_display_modes = 16;
int C64Display::GetNumDisplayModes() const
{
if (num_display_modes == 0)
return num_default_modes;
return num_display_modes;
}
const C64Display::DisplayMode *C64Display::GetDisplayModes() const
{
if (num_display_modes == 0)
return default_modes;
return display_modes;
}
long ShowRequester(const char *str, const char *button1, const char *button2)
{
if (!TheDisplay) {
MessageBox(hwnd, str, "Frodo", MB_OK | MB_ICONSTOP);
return FALSE;
}
return TheDisplay->ShowRequester(str, button1, button2);
}
/*
* Display constructor: Create window/screen
*/
C64Display::C64Display(C64 *the_c64) : TheC64(the_c64)
{
in_constructor = TRUE;
in_destructor = FALSE;
TheDisplay = this;
speed_index = 0;
pDD = NULL;
pPrimary = NULL;
pBack = NULL;
pWork = NULL;
pClipper = NULL;
pPalette = NULL;
active = FALSE;
paused = FALSE;
waiting = FALSE;
show_leds = ThePrefs.ShowLEDs;
full_screen = ThePrefs.DisplayType == DISPTYPE_SCREEN;
// Turn LEDs off.
for (int i = 0; i < 4; i++)
led_state[i] = old_led_state[i] = LED_OFF;
// Allocate chunky buffer to draw into.
chunky_buf = new UBYTE[DISPLAY_X * DISPLAY_Y];
CalcViewPort();
ResetKeyboardState();
if (!MakeWindow()) {
ShowRequester("Failed to create window.", "Quit");
Quit();
}
else {
WindowTitle();
if (!StartDirectDraw()) {
ShowRequester(failure_message, "Quit");
Quit();
}
else
draw_led_bar();
}
in_constructor = FALSE;
}
/*
* Display destructor
*/
C64Display::~C64Display()
{
in_destructor = TRUE;
Debug("~C64Display\n");
StopDirectDraw();
// Offer to save now that we are not in full screen mode.
OfferSave();
// Free the display modes table.
delete[] display_modes;
// Free chunky buffer
delete chunky_buf;
// Destroy the main window.
DestroyWindow(hwnd);
// Drain the window message queue.
for (;;)
{
MSG msg;
if (!GetMessage(&msg, NULL, 0, 0))
break;
if (ThePrefs.SystemKeys)
TranslateMessage(&msg);
DispatchMessage(&msg);
}
DeleteObjects();
in_destructor = FALSE;
}
/*
* Prefs may have changed
*/
void C64Display::NewPrefs(Prefs *prefs)
{
}
void C64Display::DeleteObjects()
{
// Delete objects we created.
DeleteObject(led_highlight);
DeleteObject(led_shadow);
DeleteObject(led_font);
DeleteObject(led_brush);
DeleteObject(off_brush);
DeleteObject(error_off_brush);
DeleteObject(on_brush);
DeleteObject(error_on_brush);
}
BOOL C64Display::CalcViewPort()
{
int old_view_x = view_x, old_view_y = view_y;
const char *view_port = ThePrefs.ViewPort;
if (view_port[0] == '\0' ||
stricmp(view_port, "Default") == 0)
view_port = NULL;
if (!view_port || sscanf(view_port, "%dx%d", &view_x, &view_y) != 2) {
view_x = DISPLAY_X;
view_y = DISPLAY_Y;
}
SetRect(&rcWork, 0, 0, view_x, view_y);
if (view_x != old_view_x || view_y != old_view_y)
return TRUE;
return FALSE;
}
BOOL C64Display::ResizeWindow(int side, RECT *pRect)
{
// Compute size of non-client borders.
DWORD style = GetWindowLong(hwnd, GWL_STYLE);
RECT rc;
SetRect(&rc, 0, 0, view_x, view_y);
BOOL has_menu = GetMenu(hwnd) != NULL;
AdjustWindowRect(&rc, style, has_menu);
if (ThePrefs.ShowLEDs)
rc.bottom += led_rows;
int nc_x = rc.right - rc.left - view_x;
int nc_y = rc.bottom - rc.top - view_y;
// Compute client area corresponding to resizing.
int old_x = pRect->right - pRect->left - nc_x;
int old_y = pRect->bottom - pRect->top - nc_y;
// Compute nearest integral scaling numerators.
int d = ThePrefs.ScalingDenominator;
int x = (old_x + view_x/d/2)/(view_x/d);
if (x == 0)
x = 1;
int y = (old_y + view_y/4)/(view_y/d);
if (y == 0)
y = 1;
// When resizing corners make the scale factors agree.
switch (side) {
case WMSZ_BOTTOMRIGHT:
case WMSZ_BOTTOMLEFT:
case WMSZ_TOPRIGHT:
case WMSZ_TOPLEFT:
if (x < y)
y = x;
else
x = y;
}
// Compute the quantized size of the window area.
int new_x = x*(view_x/d) + nc_x;
int new_y = y*(view_y/d) + nc_y;
// Adjust the resizing rectangle.
switch (side) {
case WMSZ_BOTTOMRIGHT:
case WMSZ_BOTTOMLEFT:
case WMSZ_BOTTOM:
pRect->bottom = pRect->top + new_y;
break;
case WMSZ_TOPRIGHT:
case WMSZ_TOPLEFT:
case WMSZ_TOP:
pRect->top = pRect->bottom - new_y;
break;
}
switch (side) {
case WMSZ_TOPRIGHT:
case WMSZ_BOTTOMRIGHT:
case WMSZ_RIGHT:
pRect->right = pRect->left + new_x;
break;
case WMSZ_TOPLEFT:
case WMSZ_BOTTOMLEFT:
case WMSZ_LEFT:
pRect->left = pRect->right - new_x;
break;
}
return TRUE;
}
/*
* Update speedometer
*/
void C64Display::Speedometer(int speed)
{
Debug("speed = %d %%\n", speed);
speed_index = speed;
if (full_screen)
return;
if (!ThePrefs.ShowLEDs) {
WindowTitle();
return;
}
if (speed_index == 0)
return;
HDC hdc = GetDC(hwnd);
RECT rc;
GetClientRect(hwnd, &rc);
rc.top = rc.bottom - led_rows;
rc.right = rc.left + (rc.right - rc.left)/5;
FillRect(hdc, &rc, led_brush);
SelectObject(hdc, led_font);
SetTextAlign(hdc, TA_TOP | TA_LEFT);
SetBkMode(hdc, TRANSPARENT);
SetTextColor(hdc, (COLORREF) GetSysColor(COLOR_MENUTEXT));
char str[128];
if (IsFrodoSC)
sprintf(str, "%d%%", speed_index);
else
sprintf(str, "%d%%", speed_index);
int x = rc.left + 4;
int y = rc.top + 2;
TextOut(hdc, x, y, str, strlen(str));
ReleaseDC(hwnd, hdc);
}
/*
* Return pointer to bitmap data
*/
UBYTE *C64Display::BitmapBase()
{
#ifdef WORKBUFFER_BITMAP
if (colors_depth == 8 && pWork) {
if (workbuffer_locked) {
pWork->Unlock(NULL);
workbuffer_locked = FALSE;
}
HRESULT ddrval;
for (;;) {
bitmap_ddsd.dwSize = sizeof(bitmap_ddsd);
ddrval = pWork->Lock(NULL, &bitmap_ddsd, 0, NULL);
if (ddrval != DDERR_WASSTILLDRAWING)
break;
}
if (ddrval == DD_OK) {
workbuffer_locked = TRUE;
workbuffer_bitmap = TRUE;
return (UBYTE *) bitmap_ddsd.lpSurface;
}
}
workbuffer_bitmap = FALSE;
#endif
return chunky_buf;
}
/*
* Return number of bytes per row
*/
int C64Display::BitmapXMod()
{
#ifdef WORKBUFFER_BITMAP
if (workbuffer_locked)
return bitmap_ddsd.lPitch;
#endif
return DISPLAY_X;
}
/*
* Freshen keyboard state
*/
void C64Display::PollKeyboard(UBYTE *CIA_key_matrix, UBYTE *CIA_rev_matrix, UBYTE *joystick)
{
//Debug("Display::PollKeyboard\n");
#ifdef WORKBUFFER_BITMAP
if (workbuffer_locked) {
pWork->Unlock(NULL);
workbuffer_locked = FALSE;
}
#endif
for (;;)
{
MSG msg;
if (!PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
break;
if (ThePrefs.SystemKeys)
TranslateMessage(&msg);
DispatchMessage(&msg);
}
*joystick = joystate;
memcpy(CIA_key_matrix, key_matrix, sizeof(key_matrix));
memcpy(CIA_rev_matrix, rev_matrix, sizeof(rev_matrix));
}
/*
* Check if NumLock is down (for switching the joystick keyboard emulation)
*/
bool C64Display::NumLock()
{
return numlock;
}
/*
* Allocate C64 colors
*/
void C64Display::InitColors(UBYTE *array)
{
if (colors_depth == 8) {
for (int i = 0; i < 256; i++)
array[i] = colors[i & 0x0f];
}
else {
for (int i = 0; i < 256; i++)
array[i] = i & 0x0f;
}
}
long C64Display::ShowRequester(const char *str, const char *button1, const char *button2)
{
// This could be a lot nicer but quick and dirty is fine with me.
char message[1024];
strcpy(message, str);
strcat(message, "\nPress OK to ");
strcat(message, button1);
if (button2) {
strcat(message, ", Cancel to ");
strcat(message, button2);
}
strcat(message, ".");
UINT type;
if (button2)
type = MB_OKCANCEL | MB_ICONQUESTION;
else
type = MB_OK | MB_ICONSTOP;
Pause();
if (full_screen)
StopDirectDraw();
int result = MessageBox(hwnd, message, NAME " Error", type);
if (full_screen)
StartDirectDraw();
Resume();
if (result == IDCANCEL)
return TRUE;
return FALSE;
}
void C64Display::WaitUntilActive()
{
Debug("waiting until not paused...\n");
waiting = TRUE;
WindowTitle();
for (;;) {
// Check for termination condition.
if (!paused || quit)
break;
// Process message queue.
MSG msg;
if (GetMessage(&msg, NULL, 0, 0) != TRUE)
break;
// Always translate system keys while paused.
TranslateMessage(&msg);
DispatchMessage(&msg);
}
waiting = FALSE;
Debug("...done waiting\n");
WindowTitle();
ResetKeyboardState();
}
void C64Display::ResetKeyboardState()
{
memset(keystate, 0, sizeof(keystate));
memset(key_matrix, 0xff, sizeof(key_matrix));
memset(rev_matrix, 0xff, sizeof(rev_matrix));
joystate = 0xff;
}
BOOL C64Display::MakeWindow()
{
// Set up and register window class.
WNDCLASS wc;
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = StaticWindowProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(FRODO_ICON));
wc.hCursor = NULL;
wc.hbrBackground = NULL;
wc.lpszMenuName = MAKEINTRESOURCE(IDR_MAIN_MENU);
wc.lpszClassName = NAME;
RegisterClass(&wc);
// Set up our preferred styles for our window depending on the mode.
windowed_style = WS_VISIBLE | WS_SYSMENU | WS_OVERLAPPED | WS_CAPTION | WS_MINIMIZEBOX | WS_THICKFRAME;
fullscreen_style = WS_POPUP | WS_VISIBLE;
// Compute the initial window size.
DWORD style = windowed_style;
RECT rc;
int n = ThePrefs.ScalingNumerator;
int d = ThePrefs.ScalingDenominator;
SetRect(&rc, 0, 0, n*view_x/d, n*view_y/d);
BOOL has_menu = wc.lpszMenuName != NULL;
AdjustWindowRect(&rc, style, has_menu);
if (ThePrefs.ShowLEDs)
rc.bottom += led_rows;
int x_size = rc.right - rc.left;
int y_size = rc.bottom - rc.top;
// Create the window and save the initial position.
hwnd = CreateWindowEx(0, NAME, TITLE, style, CW_USEDEFAULT, 0, x_size, y_size, NULL, NULL, hInstance, NULL);
GetWindowRect(hwnd, &rcLast);
SetRect(&rcScreen, 0, 0, GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN));
// Load cursors.
invisible_cursor = LoadCursor(hInstance, MAKEINTRESOURCE(IDC_INVISIBLE));
arrow_cursor = LoadCursor(0, MAKEINTRESOURCE(IDC_ARROW));
// Create fonts, pens, brushes, etc.
CreateObjects();
if (!hwnd)
return FALSE;
ShowWindow(hwnd, nCmdShow);
UpdateWindow(hwnd);
return TRUE;
}
void C64Display::CreateObjects()
{
// Create fonts.
led_font = CreateFont(14, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
VARIABLE_PITCH | FF_SWISS, "");
// Create pens.
led_highlight = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DHIGHLIGHT));
led_shadow = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DSHADOW));
// Create brushes.
LOGBRUSH logbrush;
logbrush.lbStyle = BS_SOLID;
logbrush.lbHatch = 0;
logbrush.lbColor = GetSysColor(COLOR_MENU);
led_brush = CreateBrushIndirect(&logbrush);
logbrush.lbColor = RGB(0x00, 0x00, 0x00); // black
off_brush = CreateBrushIndirect(&logbrush);
logbrush.lbColor = RGB(0x00, 0x00, 0x00); // black
error_off_brush = CreateBrushIndirect(&logbrush);
logbrush.lbColor = RGB(0x00, 0xff, 0x00); // green
on_brush = CreateBrushIndirect(&logbrush);
logbrush.lbColor = RGB(0xff, 0x00, 0x00); // red
error_on_brush = CreateBrushIndirect(&logbrush);
}
HRESULT CALLBACK C64Display::StaticWindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
return TheDisplay->WindowProc(hWnd, message, wParam, lParam);
}
long C64Display::WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
Debug("window message: 0x%x\n", message);
switch (message) {
case WM_SYSCOLORCHANGE:
DeleteObjects();
CreateObjects();
InvalidateRect(hwnd, NULL, FALSE);
break;
case WM_MOUSEMOVE:
SetCursor(ThePrefs.HideCursor ? invisible_cursor : arrow_cursor);
break;
case WM_MENUCHAR:
// Eat Alt-foo characters so that it doesn't beep.
if (HIWORD(wParam) == 0)
return MAKELONG(0, 1);
break;
case WM_ENTERSIZEMOVE:
Pause();
break;
case WM_EXITSIZEMOVE:
Resume();
break;
case WM_SIZING:
ResizeWindow(wParam, (RECT *) lParam);
return TRUE;
case WM_SIZE:
case WM_MOVE:
if (full_screen)
SetRect(&rcWindow, 0, 0, GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN));
else {
GetClientRect(hWnd, &rcWindow);
if (ThePrefs.ShowLEDs)
rcWindow.bottom -= led_rows;
ClientToScreen(hWnd, (LPPOINT) &rcWindow);
ClientToScreen(hWnd, (LPPOINT) &rcWindow + 1);
// Align the client rect to a four-byte
// boundary because this can triple the
// speed of a memcpy to the display.
int align_to = 4;
int misalignment = rcWindow.left % align_to;
if (misalignment == 0)
Update();
else {
if (misalignment > align_to/2)
misalignment -= align_to;
RECT rc;
GetWindowRect(hwnd, &rc);
MoveWindow(hwnd, rc.left - misalignment,
rc.top, rc.right - rc.left,
rc.bottom - rc.top, TRUE);
}
}
break;
case WM_DISPLAYCHANGE:
if (!full_screen)
ResumeDirectDraw();
SetRect(&rcScreen, 0, 0, GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN));
break;
case WM_ACTIVATE:
Debug("WM_ACTIVATE\n");
{
int old_active = active;
active = LOWORD(wParam) != WA_INACTIVE;
if (ThePrefs.AutoPause && active != old_active) {
if (!active)
Pause();
else
Resume();
}
}
if (active) {
ResumeDirectDraw();
ResetKeyboardState();
}
// Kick the message loop since this was sent to us, not posted.
PostMessage(hWnd, WM_USER, 0, 0);
break;
case WM_COMMAND:
{
int id = LOWORD(wParam);
switch (id) {
case ID_FILE_NEW:
{
OfferSave();
Prefs *prefs = new Prefs;
TheC64->NewPrefs(prefs);
ThePrefs = *prefs;
ThePrefsOnDisk = ThePrefs;
delete prefs;
strcpy(TheApp->prefs_path, "Untitled.fpr");
NewPrefs();
}
break;
case ID_FILE_OPEN:
Pause();
OfferSave();
if (FileNameDialog(TheApp->prefs_path)) {
Prefs *prefs = new Prefs;
prefs->Load(TheApp->prefs_path);
TheC64->NewPrefs(prefs);
ThePrefs = *prefs;
delete prefs;
NewPrefs();
}
Resume();
break;
case ID_FILE_SAVE:
ThePrefs.Save(TheApp->prefs_path);
break;
case ID_FILE_SAVEAS:
Pause();
if (FileNameDialog(TheApp->prefs_path, TRUE)) {
ThePrefs.Save(TheApp->prefs_path);
WindowTitle();
}
Resume();
break;
case ID_FILE_EX:
PostMessage(hWnd, WM_CLOSE, 0, 0);
break;
case ID_TOOLS_PREFERENCES:
Pause();
TheApp->RunPrefsEditor();
NewPrefs();
Resume();
break;
case ID_TOOLS_FULLSCREEN:
Pause();
StopDirectDraw();
full_screen = !full_screen;
if (!StartDirectDraw()) {
StopDirectDraw();
full_screen = !full_screen;
StartDirectDraw();
if (!full_screen)
ShowRequester(failure_message, "Continue");
}
Resume();
CheckMenuItem(GetMenu(hWnd), ID_TOOLS_FULLSCREEN, full_screen ? MF_CHECKED : MF_UNCHECKED);
if (paused)
Update();
break;
case ID_TOOLS_RESETDIRECTDRAW:
ResetDirectDraw();
break;
case ID_TOOLS_PAUSE:
if (!paused)
Pause();
else {
// XXX: Shouldn't happen but be safe.
while (paused)
Resume();
ResetKeyboardState();
}
CheckMenuItem(GetMenu(hWnd), ID_TOOLS_PAUSE, paused ? MF_CHECKED : MF_UNCHECKED);
break;
case ID_TOOLS_RESETC64:
TheC64->Reset();
break;
case ID_TOOLS_INSERTNEXTDISK:
InsertNextDisk();
break;
case ID_TOOLS_SAM:
Pause();
MessageBox(hWnd, "SAM not yet implemented.", NAME, MB_OK);
Resume();
break;
case ID_HELP_CONTENTS:
case ID_HELP_KEYBOARD:
case ID_HELP_SETTINGS:
{
const char *html;
switch (id) {
case ID_HELP_CONTENTS: html = "Main"; break;
case ID_HELP_KEYBOARD: html = "keyboard"; break;
case ID_HELP_SETTINGS: html = "settings"; break;
}
char helpfile[256];
sprintf(helpfile, "%s\\Docs\\%s.html", AppDirPath, html);
ShellExecute(0, 0, helpfile, 0, 0, SW_NORMAL);
}
break;
case ID_HELP_ABOUT:
{
Pause();
char message[256];
sprintf(message, "%s by %s\n%s by %s",
VERSION_STRING,
"Christian Bauer",
"WIN32 port",
"J. Richard Sladkey");
MessageBox(hWnd, message, NAME, MB_OK);
Resume();
}
break;
}
ResetKeyboardState();
}
break;
case WM_CLOSE:
Quit();
return 0;
case WM_DESTROY:
PostQuitMessage(0);
break;
case WM_QUERYNEWPALETTE:
if (!full_screen && pPalette && pPrimary) {
SetPalettes();
BuildColorTable();
if (!active)
Update();
}
break;
case WM_PALETTECHANGED:
if (!full_screen) {
if ((HWND) wParam != hWnd) {
need_new_color_table = TRUE;
InvalidateRect(hwnd, NULL, FALSE);
}
}
break;
case WM_PAINT:
if (!full_screen)
{
PAINTSTRUCT ps;
HDC hdc = BeginPaint(hWnd, &ps);
EndPaint(hWnd, &ps);
if (need_new_color_table) {
BuildColorTable();
need_new_color_table = FALSE;
}
if (paused)
Update();
draw_led_bar();
Speedometer(speed_index);
return 0;
}
break;
case WM_ENTERMENULOOP:
Pause();
break;
case WM_EXITMENULOOP:
Resume();
ResetKeyboardState();
break;
case WM_SYSKEYDOWN:
case WM_KEYDOWN:
Debug("Display::WindowProc: KEYDOWN: 0x%x\n", wParam);
{
int kc = VirtKey2C64(wParam, lParam);
switch (kc) {
case KEY_PAUSE:
PostMessage(hWnd, WM_COMMAND, ID_TOOLS_PAUSE, 0);
break;
case KEY_KPPLUS:
if (ThePrefs.SkipFrames < 10)
ThePrefs.SkipFrames++;
break;
case KEY_KPMINUS:
if (ThePrefs.SkipFrames > 1)
ThePrefs.SkipFrames--;
break;
case KEY_KPMULT:
ThePrefs.LimitSpeed = !ThePrefs.LimitSpeed;
break;
case KEY_KPDIV:
{
Prefs *prefs = new Prefs(ThePrefs);
prefs->Emul1541Proc = !prefs->Emul1541Proc;
TheC64->NewPrefs(prefs);
ThePrefs = *prefs;
delete prefs;
}
break;
case KEY_KPPERIOD:
ThePrefs.JoystickSwap = !ThePrefs.JoystickSwap;
break;
case KEY_F9:
PostMessage(hWnd, WM_COMMAND, ID_TOOLS_INSERTNEXTDISK, 0);
break;
case KEY_ALTENTER:
PostMessage(hWnd, WM_COMMAND, ID_TOOLS_FULLSCREEN, 0);
break;
case KEY_CTRLENTER:
PostMessage(hWnd, WM_COMMAND, ID_TOOLS_RESETDIRECTDRAW, 0);
break;
case KEY_F10:
PostMessage(hWnd, WM_CLOSE, 0, 0);
break;
case KEY_F11:
if (!paused)
TheC64->NMI();
break;
case KEY_F12:
if (!paused)
TheC64->Reset();
break;
case KEY_FIRE:
joystate &= ~0x10;
break;
case KEY_JUP:
joystate |= 0x02;
joystate &= ~0x01;
break;
case KEY_JDN:
joystate |= 0x01;
joystate &= ~0x02;
break;
case KEY_JLF:
joystate |= 0x08;
joystate &= ~0x04;
break;
case KEY_JRT:
joystate |= 0x04;
joystate &= ~0x08;
break;
case KEY_JUPLF:
joystate |= 0x0a;
joystate &= ~0x05;
break;
case KEY_JUPRT:
joystate |= 0x06;
joystate &= ~0x09;
break;
case KEY_JDNLF:
joystate |= 0x09;
joystate &= ~0x06;
break;
case KEY_JDNRT:
joystate |= 0x05;
joystate &= ~0x0a;
break;
case KEY_CENTER:
joystate |= 0x0f;
break;
default:
if (kc < 0 || kc >= 256)
break;
if (keystate[kc])
break;
keystate[kc] = 1;
int c64_byte = kc >> 3;
int c64_bit = kc & 7;
int shifted = kc & 128;
c64_byte &= 7;
if (shifted) {
key_matrix[6] &= 0xef;
rev_matrix[4] &= 0xbf;
}
key_matrix[c64_byte] &= ~(1 << c64_bit);
rev_matrix[c64_bit] &= ~(1 << c64_byte);
break;
}
return 0;
}
break;
case WM_SYSKEYUP:
case WM_KEYUP:
Debug("Display::WindowProc: KEYUP: 0x%x\n", wParam);
{
int kc = VirtKey2C64(wParam, lParam);
switch (kc) {
case KEY_FIRE:
joystate |= 0x10;
break;
case KEY_JUP:
joystate |= 0x01;
break;
case KEY_JDN:
joystate |= 0x02;
break;
case KEY_JLF:
joystate |= 0x04;
break;
case KEY_JRT:
joystate |= 0x08;
break;
case KEY_JUPLF:
joystate |= 0x05;
break;
case KEY_JUPRT:
joystate |= 0x09;
break;
case KEY_JDNLF:
joystate |= 0x06;
break;
case KEY_JDNRT:
joystate |= 0x0a;
break;
default:
if (kc < 0 || kc >= 256)
break;
if (!keystate[kc])
break;
keystate[kc] = 0;
int c64_byte = kc >> 3;
int c64_bit = kc & 7;
int shifted = kc & 128;
c64_byte &= 7;
if (shifted) {
key_matrix[6] |= 0x10;
rev_matrix[4] |= 0x40;
}
key_matrix[c64_byte] |= (1 << c64_bit);
rev_matrix[c64_bit] |= (1 << c64_byte);
break;
}
return 0;
}
break;
}
return DefWindowProc(hWnd, message, wParam, lParam);
}
int C64Display::VirtKey2C64(int virtkey, DWORD keydata)
{
int ext = keydata & 0x01000000;
int sc = (keydata & 0x00ff0000) >> 16;
int result = -1;
switch (virtkey) {
case VK_NUMPAD0: numlock = 1; return KEY_FIRE;
case VK_NUMPAD1: numlock = 1; return KEY_JDNLF;
case VK_NUMPAD2: numlock = 1; return KEY_JDN;
case VK_NUMPAD3: numlock = 1; return KEY_JDNRT;
case VK_NUMPAD4: numlock = 1; return KEY_JLF;
case VK_NUMPAD5: numlock = 1; return KEY_CENTER;
case VK_NUMPAD6: numlock = 1; return KEY_JRT;
case VK_NUMPAD7: numlock = 1; return KEY_JUPLF;
case VK_NUMPAD8: numlock = 1; return KEY_JUP;
case VK_NUMPAD9: numlock = 1; return KEY_JUPRT;
case VK_NUMLOCK: return KEY_NUMLOCK;
case VK_MULTIPLY: return KEY_KPMULT;
case VK_DIVIDE: return KEY_KPDIV;
case VK_SUBTRACT: return KEY_KPMINUS;
case VK_ADD: return KEY_KPPLUS;
case VK_DECIMAL: return KEY_KPPERIOD;
case VK_F9: return KEY_F9;
case VK_F10: return KEY_F10;
case VK_F11: return KEY_F11;
case VK_F12: return KEY_F12;
case VK_PAUSE: return KEY_PAUSE;
case VK_BACK: return MATRIX(0,0);
case VK_DELETE: return ext ? MATRIX(0,0) : /*KP*/ KEY_KPPERIOD;
case VK_TAB: return -1;
case VK_RETURN:
if ((GetKeyState(VK_MENU) & 0x8000))
return KEY_ALTENTER;
if ((GetKeyState(VK_CONTROL) & 0x8000))
return KEY_CTRLENTER;
return ext ? /*KP*/ MATRIX(0,1) : MATRIX(0,1);
case VK_SPACE: return MATRIX(7,4);
case VK_ESCAPE: return MATRIX(7,7);
case VK_INSERT: if (!ext) numlock = 0; return ext ? MATRIX(0,0) | 0x80 : /*KP*/ KEY_FIRE;
case VK_HOME: if (!ext) numlock = 0; return ext ? MATRIX(6,3) : /*KP*/ KEY_JUPLF;
case VK_END: if (!ext) numlock = 0; return ext ? MATRIX(6,0) : /*KP*/ KEY_JDNLF;
case VK_PRIOR: if (!ext) numlock = 0; return ext ? MATRIX(6,6) : /*KP*/ KEY_JUPRT;
case VK_NEXT: if (!ext) numlock = 0; return ext ? MATRIX(6,5) : /*KP*/ KEY_JDNRT;
case VK_CLEAR: return KEY_CENTER;
case VK_SHIFT: return sc == 0x36 ? /*R*/ MATRIX(6,4) : MATRIX(1,7);
case VK_CONTROL: return ext ? /*R*/ MATRIX(7,5) : MATRIX(7,2);
case VK_MENU: return ext ? /*R*/ MATRIX(7,5) : MATRIX(7,5);
case VK_UP: if (!ext) numlock = 0; return ext ? MATRIX(0,7) | 0x80 : /*KP*/ KEY_JUP;
case VK_DOWN: if (!ext) numlock = 0; return ext ? MATRIX(0,7) : /*KP*/ KEY_JDN;
case VK_LEFT: if (!ext) numlock = 0; return ext ? MATRIX(0,2) | 0x80 : /*KP*/ KEY_JLF;
case VK_RIGHT: if (!ext) numlock = 0; return ext ? MATRIX(0,2) : /*KP*/ KEY_JRT;
case VK_F1: return MATRIX(0,4);
case VK_F2: return MATRIX(0,4) | 0x80;
case VK_F3: return MATRIX(0,5);
case VK_F4: return MATRIX(0,5) | 0x80;
case VK_F5: return MATRIX(0,6);
case VK_F6: return MATRIX(0,6) | 0x80;
case VK_F7: return MATRIX(0,3);
case VK_F8: return MATRIX(0,3) | 0x80;
case '0': return MATRIX(4,3);
case '1': return MATRIX(7,0);
case '2': return MATRIX(7,3);
case '3': return MATRIX(1,0);
case '4': return MATRIX(1,3);
case '5': return MATRIX(2,0);
case '6': return MATRIX(2,3);
case '7': return MATRIX(3,0);
case '8': return MATRIX(3,3);
case '9': return MATRIX(4,0);
case VK_bracketleft: return MATRIX(5,6);
case VK_bracketright: return MATRIX(6,1);
case VK_slash: return MATRIX(6,7);
case VK_semicolon: return MATRIX(5,5);
case VK_grave: return MATRIX(7,1);
case VK_minus: return MATRIX(5,0);
case VK_equal: return MATRIX(5,3);
case VK_comma: return MATRIX(5,7);
case VK_period: return MATRIX(5,4);
case VK_quote: return MATRIX(6,2);
case VK_backslash: return MATRIX(6,6);
case 'A': result = MATRIX(1,2); break;
case 'B': result = MATRIX(3,4); break;
case 'C': result = MATRIX(2,4); break;
case 'D': result = MATRIX(2,2); break;
case 'E': result = MATRIX(1,6); break;
case 'F': result = MATRIX(2,5); break;
case 'G': result = MATRIX(3,2); break;
case 'H': result = MATRIX(3,5); break;
case 'I': result = MATRIX(4,1); break;
case 'J': result = MATRIX(4,2); break;
case 'K': result = MATRIX(4,5); break;
case 'L': result = MATRIX(5,2); break;
case 'M': result = MATRIX(4,4); break;
case 'N': result = MATRIX(4,7); break;
case 'O': result = MATRIX(4,6); break;
case 'P': result = MATRIX(5,1); break;
case 'Q': result = MATRIX(7,6); break;
case 'R': result = MATRIX(2,1); break;
case 'S': result = MATRIX(1,5); break;
case 'T': result = MATRIX(2,6); break;
case 'U': result = MATRIX(3,6); break;
case 'V': result = MATRIX(3,7); break;
case 'W': result = MATRIX(1,1); break;
case 'X': result = MATRIX(2,7); break;
case 'Y': result = MATRIX(3,1); break;
case 'Z': result = MATRIX(1,4); break;
}
if (result != -1 && GetKeyState(VK_CAPITAL))
result |= 0x80;
return result;
}
BOOL C64Display::SetupWindow()
{
// Setup the window.
SetupWindowMode(full_screen);
UpdateWindow(hwnd);
if (full_screen)
ShowCursor(FALSE);
return TRUE;
}
BOOL C64Display::SetupWindowMode(BOOL full_screen_mode)
{
DWORD style;
int x0, y0, x, y;
if (full_screen_mode) {
style = fullscreen_style;
x0 = 0;
y0 = 0;
x = GetSystemMetrics(SM_CXSCREEN);
y = GetSystemMetrics(SM_CYSCREEN);
}
else {
style = windowed_style;
x0 = rcLast.left;
y0 = rcLast.top;
x = rcLast.right - rcLast.left;
y = rcLast.bottom - rcLast.top;
}
SetWindowLong(hwnd, GWL_STYLE, style);
SetWindowPos(hwnd, NULL, x0, y0, x, y, SWP_NOZORDER | SWP_NOACTIVATE);
SetWindowPos(hwnd, HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE);
GetClientRect(hwnd, &rcWindow);
if (!full_screen_mode && ThePrefs.ShowLEDs)
rcWindow.bottom -= led_rows;
ClientToScreen(hwnd, (LPPOINT) &rcWindow);
ClientToScreen(hwnd, (LPPOINT) &rcWindow + 1);
// Windowed mode has a menu, full screen mode doesn't.
HMENU old_menu = GetMenu(hwnd);
if (old_menu) {
SetMenu(hwnd, NULL);
DestroyMenu(old_menu);
}
if (!full_screen_mode) {
HMENU new_menu = LoadMenu(hInstance, MAKEINTRESOURCE(IDR_MAIN_MENU));
SetMenu(hwnd, new_menu);
}
return TRUE;
}
BOOL C64Display::RestoreWindow()
{
if (full_screen)
ShowCursor(TRUE);
if (!full_screen)
GetWindowRect(hwnd, &rcLast);
SetupWindowMode(FALSE);
return TRUE;
}
HRESULT CALLBACK C64Display::EnumModesCallback(LPDDSURFACEDESC pDDSD, LPVOID lpContext)
{
C64Display *pDisplay = (C64Display *) lpContext;
return pDisplay->EnumModesCallback(pDDSD);
}
HRESULT C64Display::EnumModesCallback(LPDDSURFACEDESC pDDSD)
{
DisplayMode mode;
mode.x = pDDSD->dwWidth;
mode.y = pDDSD->dwHeight;
mode.depth = pDDSD->ddpfPixelFormat.dwRGBBitCount;
mode.modex = (pDDSD->ddsCaps.dwCaps & DDSCAPS_MODEX) != 0;
Debug("EnumModesCallback: %dx%dx%d (modex: %d)\n",
mode.x, mode.y, mode.depth, mode.modex);
if (display_modes == NULL)
display_modes = new DisplayMode[max_display_modes];
if (num_display_modes == max_display_modes) {
int old_max = max_display_modes;
max_display_modes *= 2;
DisplayMode *new_modes = new DisplayMode[max_display_modes];
memcpy(new_modes, display_modes, sizeof(DisplayMode)*old_max);
delete[] display_modes;
display_modes = new_modes;
}
display_modes[num_display_modes++] = mode;
return DDENUMRET_OK;
}
int C64Display::CompareModes(const void *e1, const void *e2)
{
DisplayMode *m1 = (DisplayMode *) e1;
DisplayMode *m2 = (DisplayMode *) e2;
if (m1->depth != m2->depth)
return m1->depth - m2->depth;
if (m1->x != m2->x)
return m1->x - m2->x;
if (m1->y != m2->y)
return m1->y - m2->y;
if (m1->modex != m2->modex)
return int(m1->modex) - int(m2->modex);
return 0;
}
BOOL C64Display::StartDirectDraw()
{
// Setup our window size, position, style, etc.
SetupWindow();
// Create the main DirectDraw object.
HRESULT ddrval = DirectDrawCreate(NULL, &pDD, NULL);
if (ddrval != DD_OK) {
DebugResult("DirectDrawCreate failed", ddrval);
return Fail("Failed to initialize direct draw.");
}
if (full_screen) {
// Set exclusive mode.
ddrval = pDD->SetCooperativeLevel(hwnd, DDSCL_EXCLUSIVE | DDSCL_FULLSCREEN | DDSCL_ALLOWMODEX);
if (ddrval != DD_OK) {
DebugResult("SetCooperativeLevel failed", ddrval);
return Fail("Failed to set exclusive cooperative level.");
}
if (!display_modes) {
// Get all available video modes and sort them.
num_display_modes = 0;
pDD->EnumDisplayModes(0, NULL, this, EnumModesCallback);
qsort(display_modes, num_display_modes, sizeof(DisplayMode), CompareModes);
}
// Set the video mode.
const char *display_mode = ThePrefs.DisplayMode;
if (display_mode[0] == '\0' ||
stricmp(display_mode, "Default") == 0)
display_mode = NULL;
if (display_mode) {
int x, y, depth = 8;
if (sscanf(display_mode, "%dx%dx%d", &x, &y, &depth) < 2)
return Fail("Invalid command line mode format.");
ddrval = pDD->SetDisplayMode(x, y, depth);
if (ddrval != DD_OK) {
DebugResult("SetDisplayMode failed", ddrval);
return Fail("Failed to set the video mode.");
}
}
else {
for (int i = 0; i < num_display_modes; i++) {
DisplayMode *mode = &display_modes[i];
if (mode->x < view_x || mode->y < view_y)
continue;
ddrval = pDD->SetDisplayMode(mode->x, mode->y, mode->depth);
if (ddrval == DD_OK)
break;
}
if (i == num_display_modes)
return Fail("Failed to find a suitable video mode.");
}
}
else {
// Set normal mode.
ddrval = pDD->SetCooperativeLevel(hwnd, DDSCL_NORMAL);
if (ddrval != DD_OK)
return Fail("Failed to set normal cooperative level.");
}
// Create the primary surface with one back buffer.
DDSURFACEDESC ddsd;
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_BACKBUFFERCOUNT;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE | DDSCAPS_FLIP | DDSCAPS_COMPLEX;
ddsd.dwBackBufferCount = 1;
ddrval = pDD->CreateSurface(&ddsd, &pPrimary, NULL);
if (ddrval != DD_OK) {
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS;
ddsd.ddsCaps.dwCaps = DDSCAPS_PRIMARYSURFACE;
ddrval = pDD->CreateSurface(&ddsd, &pPrimary, NULL);
if (ddrval != DD_OK)
return Fail("Failed to create primary surface.");
}
if (ddsd.dwBackBufferCount == 1) {
DDSCAPS ddscaps;
ddscaps.dwCaps = DDSCAPS_BACKBUFFER;
ddrval = pPrimary->GetAttachedSurface(&ddscaps, &pBack);
if (ddrval != DD_OK)
return Fail("Failed to get attached surface.");
}
// Create work surface. It displays correctly without
// this but doesn't handle clipping. We would have to
// do that ourselves.
memset(&ddsd, 0, sizeof(ddsd));
ddsd.dwSize = sizeof(ddsd);
ddsd.dwFlags = DDSD_CAPS | DDSD_HEIGHT | DDSD_WIDTH;
ddsd.ddsCaps.dwCaps = DDSCAPS_OFFSCREENPLAIN;
if (ThePrefs.SystemMemory)
ddsd.ddsCaps.dwCaps |= DDSCAPS_SYSTEMMEMORY;
ddsd.dwHeight = DISPLAY_Y;
ddsd.dwWidth = DISPLAY_X;
ddrval = pDD->CreateSurface(&ddsd, &pWork, NULL);
if (ddrval != DD_OK) {
//return Fail("Failed to create work surface.");
Debug("cannot create work surface: %d\n", ddrval);
}
if (pWork) {
pWork->GetCaps(&ddsd.ddsCaps);
if (ddsd.ddsCaps.dwCaps & DDSCAPS_VIDEOMEMORY)
Debug("Work surface is in video memory.\n");
else if (ddsd.ddsCaps.dwCaps & DDSCAPS_SYSTEMMEMORY)
Debug("Work surface is in system memory.\n");
else
Debug("Work surface is in unknown memory.\n");
}
if (!full_screen) {
// Create clipper object.
ddrval = pDD->CreateClipper(0, &pClipper, NULL);
if (ddrval != DD_OK)
return Fail("Failed to create direct draw clipper.");
ddrval = pClipper->SetHWnd(0, hwnd);
if (ddrval != DD_OK)
return Fail("Failed setting clipper window handle.");
ddrval = pPrimary->SetClipper(pClipper);
if (ddrval != DD_OK)
return Fail("Failed setting primary surface clipper.");
}
// We need to use a 256 color palette otherwise we get an
// invalid pixel format error when trying to set the palette
// on a windowed surface.
PALETTEENTRY ape[256];
HDC hdc = GetDC(NULL);
int entries = GetSystemPaletteEntries(hdc, 0, 256, ape);
ReleaseDC(NULL, hdc);
if (entries != 256) {
Debug("failed to get 256 system palette entries: %d (%d)\n",
entries, GetLastError());
// Build a 332 palette as the default. This makes it easy for
// other apps to find colors when they aren't the foreground.
for (int i = 0; i < 256; i++) {
ape[i].peRed = (BYTE)(((i >> 5) & 0x07) * 255 / 7);
ape[i].peGreen = (BYTE)(((i >> 2) & 0x07) * 255 / 7);
ape[i].peBlue = (BYTE)(((i >> 0) & 0x03) * 255 / 3);
ape[i].peFlags = 0;
}
}
// Now override the first 16 entries with the C64 colors.
// If we were really obsessive we could try to find the
// nearest matches and replace them instead.
for (int i = 0; i < 16; i++) {
ape[i].peRed = palette_red[i];
ape[i].peGreen = palette_green[i];
ape[i].peBlue = palette_blue[i];
ape[i].peFlags = 0;
}
// Create the palette and set it on all surfaces.
ddrval = pDD->CreatePalette(DDPCAPS_8BIT, ape, &pPalette, NULL);
if (ddrval != DD_OK)
return Fail("Failed to create palette.");
if (!SetPalettes())
return Fail("Failed to set palettes.");
if (!BuildColorTable())
return Fail("Failed to build color table.");
// Start with a clean slate.
if (!EraseSurfaces()) {
// Some display drivers have bugs, I guess.
// What's a little problem erasing gonna hurt.
#if 0
return Fail("Failed to erase surfaces.");
#endif
}
return TRUE;
}
BOOL C64Display::ResumeDirectDraw()
{
if (!RestoreSurfaces())
ResetDirectDraw();
return TRUE;
}
BOOL C64Display::ResetDirectDraw()
{
Pause();
StopDirectDraw();
StartDirectDraw();
Resume();
if (paused)
Update();
return TRUE;
}
BOOL C64Display::StopDirectDraw()
{
if (pDD != NULL) {
if (pClipper != NULL) {
pClipper->Release();
pClipper = NULL;
}
if (pWork != NULL) {
pWork->Release();
pWork = NULL;
}
if (pBack != NULL) {
pBack->Release();
pBack = NULL;
}
if (pPrimary != NULL) {
pPrimary->Release();
pPrimary = NULL;
}
if (pPalette != NULL) {
pPalette->Release();
pPalette = NULL;
}
pDD->RestoreDisplayMode();
pDD->Release();
pDD = NULL;
}
// Restore windowing state, window position, etc.
RestoreWindow();
return TRUE;
}
/*
* This function is called if the initialization function fails
*/
BOOL C64Display::Fail(const char *error)
{
Debug(error);
Debug("\n");
strcpy(failure_message, error);
return FALSE;
}
BOOL C64Display::SetPalettes()
{
// Only try to set palettes when in 256 color mode.
HDC hdc = GetDC(NULL);
int depth = GetDeviceCaps(hdc, PLANES) * GetDeviceCaps(hdc, BITSPIXEL);
ReleaseDC(NULL, hdc);
if (depth != 8)
return TRUE;
// Set palette on primary surface.
HRESULT ddrval = pPrimary->SetPalette(pPalette);
if (ddrval == DDERR_SURFACELOST) {
pPrimary->Restore();
ddrval = pPrimary->SetPalette(pPalette);
}
if (ddrval == DDERR_NOT8BITCOLOR)
return TRUE;
if (ddrval != DD_OK) {
DebugResult("failed to set palette on primary", ddrval);
return FALSE;
}
// Set palette on back surface.
if (pBack) {
FlipSurfaces();
pPrimary->SetPalette(pPalette);
if (ddrval == DDERR_SURFACELOST) {
pPrimary->Restore();
ddrval = pPrimary->SetPalette(pPalette);
}
if (ddrval != DD_OK) {
DebugResult("failed to set palette on back", ddrval);
return FALSE;
}
}
// Set palette on work surface.
if (pWork) {
ddrval = pWork->SetPalette(pPalette);
if (ddrval == DDERR_SURFACELOST) {
pWork->Restore();
ddrval = pWork->SetPalette(pPalette);
}
if (ddrval != DD_OK) {
DebugResult("failed to set palette on work", ddrval);
return FALSE;
}
}
return TRUE;
}
BOOL C64Display::BuildColorTable()
{
if (!pPrimary)
return FALSE;
// Determine the physical colors corresponding to the 16 C64 colors.
for (int j = 0; j < 16; j++) {
// Compute the true color in RGB format.
int red = palette_red[j];
int green = palette_green[j];
int blue = palette_blue[j];
COLORREF rgb = RGB(red, green, blue);
// Set pixel(0, 0) to that value.
LPDIRECTDRAWSURFACE pSurface = pBack ? pBack : pPrimary;
HDC hdc;
if (pSurface->GetDC(&hdc) != DD_OK)
return Fail("Failed getting direct draw device context.");
COLORREF new_rgb = SetPixel(hdc, 0, 0, PALETTERGB(red, green, blue));
Debug("new: %.8x, old %.8x\n", new_rgb, rgb);
pSurface->ReleaseDC(hdc);
// Read the physical color from linear memory.
DDSURFACEDESC ddsd;
ddsd.dwSize = sizeof(ddsd);
HRESULT ddrval;
for (;;) {
ddrval = pSurface->Lock(NULL, &ddsd, 0, NULL);
if (ddrval != DDERR_WASSTILLDRAWING)
break;
}
if (ddrval != DD_OK)
return Fail("Failed to lock surface.");
colors_depth = ddsd.ddpfPixelFormat.dwRGBBitCount;
DWORD dw = *(DWORD *) ddsd.lpSurface;
Debug("DWORD = %.8x, depth = %d\n", dw, colors_depth);
if (colors_depth != 32)
dw &= (1 << colors_depth) - 1;
pSurface->Unlock(NULL);
// Store the physical color in the colors array.
colors[j] = dw;
Debug("colors[%d] = %d\n", j, dw);
}
// Replicate the physical colors into the rest of the color array.
for (int k = 16; k < 256; k++)
colors[k] = colors[k & 0x0f];
// Tell the VIC all about it;
if (!in_constructor)
TheC64->TheVIC->ReInitColors();
return TRUE;
}
/*
* Redraw bitmap using double buffering when possible.
*/
void C64Display::Update()
{
TIMESCOPE(ts0, "Update");
//Debug("Display::Update\n");
if (full_screen && !active)
return;
if (!pPrimary)
return;
#ifdef WORKBUFFER_BITMAP
// Special case for using the workbuffer as a bitmap.
if (workbuffer_bitmap) {
if (workbuffer_locked) {
pWork->Unlock(NULL);
workbuffer_locked = FALSE;
}
RECT rc;
rc.left = (DISPLAY_X - view_x)/2;
rc.top = (DISPLAY_Y - view_y)/2 - 1;
if (rc.top < 0)
rc.top = 0;
rc.right = rc.left + view_x;
rc.bottom = rc.top + view_y;
CopySurface(rc);
draw_leds();
return;
}
#endif
// Work on the backing surface unless there isn't one.
// We'll flip to it when we're done.
LPDIRECTDRAWSURFACE pSurface = pBack ? pBack : pPrimary;
// Use a work surface when we have to:
// * when always copy is on
// * when possibly clipped
// * when streching
// * when partially offscreen
if (!full_screen && pWork) {
if (ThePrefs.AlwaysCopy || !active || paused ||
#if 0
GetForegroundWindow() != hwnd ||
#endif
rcWindow.right - rcWindow.left != view_x ||
rcWindow.bottom - rcWindow.top != view_y ||
rcWindow.left < rcScreen.left ||
rcWindow.top < rcScreen.top ||
rcWindow.right > rcScreen.right ||
rcWindow.bottom > rcScreen.bottom) {
pSurface = pWork;
//Debug("using work surface\n");
}
}
// Lock the surface.
DDSURFACEDESC ddsd;
ddsd.dwSize = sizeof(ddsd);
for (;;) {
HRESULT ddrval = pSurface->Lock(NULL, &ddsd, 0, NULL);
if (ddrval == DD_OK)
break;
if (ddrval == DDERR_SURFACELOST) {
Debug("surface lost\n");
if (pSurface == pWork)
ddrval = pWork->Restore();
else
ddrval = pPrimary->Restore();
if (ddrval != DD_OK) {
DebugResult("surface Restore failed", ddrval);
return;
}
EraseSurfaces();
BuildColorTable();
}
else if (ddrval != DDERR_WASSTILLDRAWING) {
if (pWork && pSurface != pWork)
pSurface = pWork;
else {
DebugResult("surface Lock failed", ddrval);
return;
}
}
Debug("was still drawing\n");
}
// Compute the optimal placement of our window depending on
// the screen dimensions.
int x_off, y_off;
int x_beg, y_beg;
int x_siz, y_siz;
// XXX: Do these calculations only when the parameters change.
if (full_screen) {
if (rcWindow.right >= view_x) {
x_off = (rcWindow.right - view_x)/2;
x_beg = (DISPLAY_X - view_x)/2;
x_siz = view_x;
}
else {
x_off = 0;
x_beg = (DISPLAY_X - rcWindow.right)/2;
x_siz = rcWindow.right;
}
if (rcWindow.bottom >= view_y) {
y_off = (rcWindow.bottom - view_y)/2;
y_beg = (DISPLAY_Y - view_y)/2 - 1;
y_siz = view_y;
}
else {
y_off = 0;
y_beg = (DISPLAY_Y - rcWindow.bottom)/2 - 1;
y_siz = rcWindow.bottom;
}
}
else {
if (pSurface == pWork) {
x_off = 0;
y_off = 0;
}
else {
x_off = rcWindow.left;
y_off = rcWindow.top;
}
x_beg = (DISPLAY_X - view_x)/2;
y_beg = (DISPLAY_Y - view_y)/2 - 1;
x_siz = view_x;
y_siz = view_y;
}
if (y_beg < 0)
y_beg = 0;
// Translate chunky colors into the surface's linear memory.
int pitch = ddsd.lPitch;
int depth = ddsd.ddpfPixelFormat.dwRGBBitCount;
BYTE *surface = (BYTE *) ddsd.lpSurface + pitch*y_off + x_off*(depth/8);
BYTE *chunky = chunky_buf + DISPLAY_X*y_beg + x_beg;
// These tight loops are where the display speed action is at.
// Note that MSVC optimizes out the mulitiplications and
// reverses the direction of the loop counters automatically.
if (depth == 8) {
// Since the VIC is using our palette entries we just copy.
//TIMESCOPE(ts1, "hand blt 8");
BYTE *scanline = surface;
BYTE *scanbuf = chunky;
//Debug("scanline = %8p, scanbuf = %8p\n", scanline, scanbuf);
for (int j = 0; j < y_siz; j++) {
memcpy(scanline, scanbuf, x_siz);
scanline += pitch;
scanbuf += DISPLAY_X;
}
}
else if (depth == 16) {
//TIMESCOPE(ts1, "hand blt 16");
for (int j = 0; j < y_siz; j++) {
WORD *scanline = (WORD *) (surface + pitch*j);
BYTE *scanbuf = chunky + +DISPLAY_X*j;
for (int i = 0; i < x_siz; i++)
*scanline++ = (WORD) colors[*scanbuf++];
}
}
else if (depth == 24) {
// XXX: Works for little-endian only.
//TIMESCOPE(ts1, "hand blt 24");
for (int j = 0; j < y_siz; j++) {
BYTE *scanline = surface + pitch*j;
BYTE *scanbuf = chunky + +DISPLAY_X*j;
for (int i = 0; i < x_siz; i++) {
*((DWORD *) scanline) = colors[*scanbuf++];
scanline += 3;
}
}
}
else if (depth == 32) {
//TIMESCOPE(ts1, "hand blt 32");
for (int j = 0; j < y_siz; j++) {
DWORD *scanline = (DWORD *) (surface + pitch*j);
BYTE *scanbuf = chunky + +DISPLAY_X*j;
for (int i = 0; i < x_siz; i++)
*scanline++ = colors[*scanbuf++];
}
}
else
Debug("PixelCount not 8, 16, 24, or 32\n");
// Unlock the surface.
HRESULT ddrval = pSurface->Unlock(NULL);
if (ddrval != DD_OK)
Debug("DirectDrawSurface::Unlock failed\n");
// Now flip from the primary surface to the backing surface.
if (pSurface == pWork)
CopySurface(rcWork);
else if (full_screen && pBack)
FlipSurfaces();
// Update drive LEDs
draw_leds();
}
BOOL C64Display::CopySurface(RECT &rcWork)
{
// Copy work surface to primary.
for (;;) {
HRESULT ddrval = pPrimary->Blt(&rcWindow, pWork, &rcWork, DDBLT_WAIT, NULL);
if (ddrval == DD_OK)
break;
if (ddrval == DDERR_SURFACELOST) {
ddrval = pPrimary->Restore();
if (ddrval != DD_OK) {
DebugResult("CopySurface Restore failed", ddrval);
return FALSE;
}
}
else if (ddrval != DDERR_WASSTILLDRAWING) {
DebugResult("CopySurface Blt failed", ddrval);
return FALSE;
}
}
return TRUE;
}
BOOL C64Display::FlipSurfaces()
{
// Flip buffers.
for (;;) {
HRESULT ddrval = pPrimary->Flip(NULL, 0);
if (ddrval == DD_OK)
break;
if (ddrval == DDERR_SURFACELOST) {
ddrval = pPrimary->Restore();
if (ddrval != DD_OK) {
Debug("Restore failed\n");
return FALSE;
}
}
else if (ddrval != DDERR_WASSTILLDRAWING)
return FALSE;
}
return TRUE;
}
BOOL C64Display::EraseSurfaces()
{
DDBLTFX ddbltfx;
ddbltfx.dwSize = sizeof(ddbltfx);
ddbltfx.dwFillColor = 0;
// Erase the backing surface.
for (;;) {
if (!pBack)
break;
HRESULT ddrval = pBack->Blt(&rcWindow, NULL, NULL, DDBLT_COLORFILL, &ddbltfx);
if (ddrval == DD_OK)
break;
if (ddrval == DDERR_SURFACELOST) {
ddrval = pPrimary->Restore();
if (ddrval != DD_OK) {
DebugResult("Restore primary failed", ddrval);
return FALSE;
}
}
else if (ddrval != DDERR_WASSTILLDRAWING) {
DebugResult("Blt erase back failed", ddrval);
return FALSE;
}
}
// Erase the primary surface.
for (;;) {
HRESULT ddrval = pPrimary->Blt(&rcWindow, NULL, NULL, DDBLT_COLORFILL, &ddbltfx);
if (ddrval == DD_OK)
break;
if (ddrval == DDERR_SURFACELOST) {
ddrval = pPrimary->Restore();
if (ddrval != DD_OK) {
DebugResult("Restore primary failed", ddrval);
return FALSE;
}
}
else if (ddrval != DDERR_WASSTILLDRAWING) {
DebugResult("Blt erase primary failed", ddrval);
return FALSE;
}
}
return TRUE;
}
BOOL C64Display::RestoreSurfaces()
{
if (pPrimary) {
HRESULT ddrval = pPrimary->Restore();
if (ddrval != DD_OK)
return FALSE;
}
if (pWork) {
HRESULT ddrval = pWork->Restore();
if (ddrval != DD_OK)
return FALSE;
}
return TRUE;
}
/*
* Draw LED bar at the bottom of the window
*/
void C64Display::draw_led_bar()
{
if (full_screen || !ThePrefs.ShowLEDs)
return;
HDC hdc = GetDC(hwnd);
RECT rc;
GetClientRect(hwnd, &rc);
rc.top = rc.bottom - led_rows;
FillRect(hdc, &rc, led_brush);
if (rc.right - rc.left > view_x)
rc.left = rc.right - view_x;
SelectObject(hdc, led_font);
SetTextAlign(hdc, TA_TOP | TA_RIGHT);
SetBkMode(hdc, TRANSPARENT);
SetTextColor(hdc, (COLORREF) GetSysColor(COLOR_MENUTEXT));
for (int i = 0; i < 4; i++) {
char str[128];
if (rc.right - rc.left < view_x)
sprintf(str, "%d", i + 8);
else
sprintf(str, "Drive %d", i + 8);
RECT led;
led_rect(i, rc, led);
SelectObject(hdc, led_shadow);
MoveToEx(hdc, led.left - 1, led.bottom - 1, NULL);
LineTo(hdc, led.left - 1, led.top - 1);
LineTo(hdc, led.right, led.top - 1);
SelectObject(hdc, led_highlight);
LineTo(hdc, led.right, led.bottom);
LineTo(hdc, led.left - 2, led.bottom);
TextOut(hdc, led.left - 4, rc.top + 2, str, strlen(str));
}
ReleaseDC(hwnd, hdc);
draw_leds(TRUE);
}
/*
* Draw one LED
*/
void C64Display::draw_leds(BOOL force)
{
if (full_screen || !ThePrefs.ShowLEDs)
return;
if (!force) {
int i;
for (i = 0; i < 4; i++) {
if (led_state[i] != old_led_state[i])
break;
}
if (i == 4)
return;
}
HDC hdc = GetDC(hwnd);
RECT rc;
GetClientRect(hwnd, &rc);
rc.top = rc.bottom - led_rows;
if (rc.right - rc.left > view_x)
rc.left = rc.right - view_x;
for (int i = 0; i < 4; i++) {
old_led_state[i] = led_state[i];
HBRUSH brush;
switch (led_state[i]) {
case LED_OFF: brush = off_brush; break;
case LED_ERROR_OFF: brush = error_off_brush; break;
case LED_ON: brush = on_brush; break;
case LED_ERROR_ON: brush = error_on_brush; break;
}
RECT led;
led_rect(i, rc, led);
FillRect(hdc, &led, brush);
}
ReleaseDC(hwnd, hdc);
}
void C64Display::led_rect(int n, RECT &rc, RECT &led)
{
int x = rc.left + (rc.right - rc.left)*(n + 2)/5 - 20;
int y = rc.top + 2 + led_rows/3;
SetRect(&led, x, y, x + 13, y + led_rows/3);
}
void C64Display::InsertNextDisk()
{
if (strlen(ThePrefs.DrivePath[0]) > 4) {
char str[256];
strcpy(str, ThePrefs.DrivePath[0]);
char *p = str + strlen(str) - 5;
// If path matches "*.?64", increment character before the '.'
if (p[1] == '.' && p[3] == '6' && p[4] == '4') {
p[0]++;
// If no such file exists, set character before the '.' to '1', 'a' or 'A'
FILE *file;
if ((file = fopen(str, "rb")) == NULL) {
if (isdigit(p[0]))
p[0] = '1';
else if (isupper(p[0]))
p[0] = 'A';
else
p[0] = 'a';
} else
fclose(file);
// Set new prefs
Pause();
Prefs *prefs = new Prefs(ThePrefs);
strcpy(prefs->DrivePath[0], str);
TheC64->NewPrefs(prefs);
ThePrefs = *prefs;
delete prefs;
Resume();
}
}
}
BOOL C64Display::FileNameDialog(char *prefs_path, BOOL save)
{
char filename[256];
strcpy(filename, prefs_path);
OPENFILENAME ofn;
memset(&ofn, 0, sizeof(ofn));
ofn.lStructSize = sizeof(ofn);
ofn.hwndOwner = hwnd;
ofn.hInstance = hInstance;
ofn.lpstrFilter =
"Preferences Files (*.fpr)\0*.fpr\0"
"All Files (*.*)\0*.*\0"
;
ofn.lpstrCustomFilter = NULL;
ofn.nMaxCustFilter = 0;
ofn.nFilterIndex = 1;
ofn.lpstrFile = filename;
ofn.nMaxFile = sizeof(filename);
ofn.lpstrFileTitle = NULL;
ofn.nMaxFileTitle = 0;
ofn.lpstrInitialDir = NULL;
ofn.lpstrTitle = NULL;
ofn.Flags = OFN_EXPLORER | OFN_HIDEREADONLY | OFN_NOTESTFILECREATE |
OFN_FILEMUSTEXIST | OFN_NOCHANGEDIR | OFN_SHAREAWARE;
ofn.nFileOffset = 0;
ofn.nFileExtension = 0;
ofn.lpstrDefExt = "fpr";
ofn.lpfnHook = NULL;
ofn.lpTemplateName = NULL;
BOOL result = save ? GetSaveFileName(&ofn) : GetOpenFileName(&ofn);
if (result) {
char cwd[256];
GetCurrentDirectory(sizeof(cwd), cwd);
int cwd_len = strlen(cwd);
if (cwd_len > 0 && cwd[cwd_len - 1] != '\\') {
strcat(cwd, "\\");
cwd_len++;
}
if (strnicmp(filename, cwd, cwd_len) == 0)
strcpy(prefs_path, filename + cwd_len);
else
strcpy(prefs_path, filename);
}
return result;
}
void C64Display::WindowTitle()
{
// Show the program name, the current preferences file,
// and the paused state or the speedometer.
const char *prefs_path = TheApp->prefs_path;
int prefs_path_length = strlen(prefs_path);
if (prefs_path_length > 4 &&
stricmp(prefs_path + prefs_path_length - 4, ".fpr") == 0)
prefs_path_length -= 4;
const char *info = NULL;
char tmp[128];
if (waiting)
info = "PAUSED";
else if (!ThePrefs.ShowLEDs && speed_index != 0) {
if (IsFrodoSC)
sprintf(tmp, "%.1f%%", speed_index);
else
sprintf(tmp, "%.0f%%", speed_index);
info = tmp;
}
const char *sep1 = info ? " (" : "";
const char *sep2 = info ? ")" : "";
char title[256];
sprintf(title, "%s - %.*s%s%s%s", TITLE,
prefs_path_length, prefs_path, sep1, info ? info : "", sep2);
SetWindowText(hwnd, title);
}
void C64Display::NewPrefs()
{
// Resize the window to the new viewport while preserving
// as closely as possible the previous scaling factors.
RECT rc;
GetWindowRect(hwnd, &rc);
int x_nc = rc.right - rc.left - (rcWindow.right - rcWindow.left);
int y_nc = rc.bottom - rc.top - (rcWindow.bottom - rcWindow.top);
if (show_leds)
y_nc -= led_rows;
double x_scale = double(rcWindow.right - rcWindow.left)/view_x;
double y_scale = double(rcWindow.bottom - rcWindow.top)/view_y;
if (CalcViewPort() || show_leds != ThePrefs.ShowLEDs) {
show_leds = ThePrefs.ShowLEDs;
rc.right = int(rc.left + x_scale*view_x + x_nc);
rc.bottom = int(rc.top + y_scale*view_y + y_nc);
if (show_leds)
rc.bottom += led_rows;
ResizeWindow(WMSZ_BOTTOMRIGHT, &rc);
MoveWindow(hwnd, rc.left, rc.top,
rc.right - rc.left,
rc.bottom - rc.top, TRUE);
}
// The prefs filename might have changed.
WindowTitle();
}
void C64Display::OfferSave()
{
if (ThePrefs == ThePrefsOnDisk)
return;
const char *str = "Preferences have changed.\nSave preferences now?";
int result = MessageBox(hwnd, str, "Frodo", MB_YESNO | MB_ICONQUESTION);
if (result == IDYES)
ThePrefs.Save(TheApp->prefs_path);
}
void C64Display::Pause()
{
// It's not safe to call this from the contructor or destructor.
if (in_constructor || in_destructor)
return;
if (paused == 0)
TheC64->Pause();
paused++;
}
void C64Display::Resume()
{
// It's not safe to call this from the contructor or destructor.
if (in_constructor || in_destructor)
return;
if (paused > 0) {
paused--;
if (!paused)
TheC64->Resume();
}
else
_ASSERTE(paused > 0);
}
void C64Display::Quit()
{
quit = 1;
TheC64->Quit();
}
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